我有UIView有很多子视图(UILabel,UITextView等).
如果设置alpha 0.6到主视图所有子视图都采用此alpha.
如何分别设置主视图的alpha？
解决方法
[view setBackgroundColor:[[UIColor clearColor] colorWithAlphaComponent:0.5]]; //try this.. dont try to set alpha of UIView and also your subviews will not affect
